Samia Rashid, Mohammad Ashraf, Shahida Bibi and Rubeen Anjum
Pakistan Journal of Biological Sciences 3 ( 4 ): 630 - 632 , 2000
Samia Rashid, Mohammad Ashraf, Rubeen Anjum and Shahida Bibi
Pakistan Journal of Biological Sciences 3 ( 5 ): 808 - 809 , 2000